What was found
FLT 1283 BOS-RIC, AIR RETURN TO BOS DUE TO ENGINE 2 HIGH VIBRATION LP 4.1 IN CLIMB. PERFORMED FULL BALANCE OF NR 2 ENGINE ADDED B+03 10.13 B+04 11.90 B+05 3.49 B+06 11.90 B+07 10.13 OPS TEST GOOD PER EMM 72-00-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 1283 BOS-RIC, AIR RETURN TO BOS DUE TO ENGINE 2 HIGH VIBRATION LP 4.1 IN CLIMB. PERFORMED FULL BALANCE OF NR 2 ENGINE ADDED B+03 10.13 B+04 11.90 B+05 3.49 B+06 11.90 B+07 10.13 OPS TEST GOOD PER EMM 72-00-00.